#!/usr/bin/env python3
"""
Fail-closed market candidate replay adapter harness.

Default mode is a contract probe: it emits valid candidate replay results without
calling external SDKs, APIs, GPUs, tools, production services, or LLMs.
"""

from __future__ import annotations

import argparse
import json
import sys
from pathlib import Path
from typing import Any


ROOT = Path(__file__).resolve().parents[2]
API_SRC = ROOT / "apps" / "api"
sys.path.insert(0, str(API_SRC))

from src.services.agent_market_candidate_adapter import (  # noqa: E402
    build_contract_probe_results,
    get_market_candidate_spec,
)


def main() -> int:
    parser = argparse.ArgumentParser(
        description="Run a fail-closed market candidate replay contract probe."
    )
    parser.add_argument("--inputs", required=True, help="candidate input JSONL")
    parser.add_argument("--output", required=True, help="candidate raw result JSONL")
    parser.add_argument("--candidate-id", required=True, help="registered candidate_id")
    parser.add_argument(
        "--reason",
        default="external_candidate_adapter_not_configured",
        help="error/reason marker written into blocked probe results",
    )
    args = parser.parse_args()

    spec = get_market_candidate_spec(args.candidate_id)
    candidate_inputs = _read_jsonl(Path(args.inputs))
    results = build_contract_probe_results(
        candidate_inputs,
        candidate_id=args.candidate_id,
        reason=args.reason,
    )

    with Path(args.output).open("w", encoding="utf-8") as handle:
        for result in results:
            handle.write(json.dumps(result, ensure_ascii=False, sort_keys=True))
            handle.write("\n")

    print(
        json.dumps(
            {
                "candidate_id": args.candidate_id,
                "candidate_role": spec.candidate_role,
                "inputs": args.inputs,
                "output": args.output,
                "records": len(results),
                "mode": "contract_probe",
                "external_calls": False,
                "not_replacement_evidence": True,
            },
            ensure_ascii=False,
            sort_keys=True,
        )
    )
    return 0


def _read_jsonl(path: Path) -> list[dict[str, Any]]:
    records: list[dict[str, Any]] = []
    with path.open(encoding="utf-8") as handle:
        for line_number, line in enumerate(handle, start=1):
            line = line.strip()
            if not line or line.startswith("#"):
                continue
            try:
                records.append(json.loads(line))
            except Exception as exc:
                raise SystemExit(f"{path}:{line_number}: invalid JSONL: {exc}") from exc
    return records


if __name__ == "__main__":
    raise SystemExit(main())
